<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
        #parent-div{
            position: relative;
            font:bold 200% sans-serif;
        }

        #forward,#back{
            position: absolute;
            margin: 0px;
            top:0px;
            left:0px;
        }

        #forward{
            color:blue;
        }
        #back{
            color:red;
        }
    </style>
</head>
<body>
    <div id="parent-div">
        <p id="forward">/</p>
        <p id="back">\</p>
    </div>
</body>
</html>